Speaker



FIG. 1 is a top, front, and left side perspective view of the speaker of our present design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side elevation thereof.

FIG. 5 is right side elevation thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is bottom plan view thereof.

The broken lines represent portions of the structure that form no part of the claim. 

CLAIM The ornamental design for a speaker, as shown and described. 